Peek behind the scenes of the Gaité Lyrique or get a glimpse of the other side of the Gare Montparnasse, enjoy a historical stroll in the Parc Monceau, and also delve into an extraordinary immersion into some ministries... This is the concept behind the Journées du Patrimoine, which, for 43 editions now, invites the curious and the lovers of our rich patrimoine to push open the doors of exceptional, unusual, hidden, and little-known places.
Heritage Days 2026 in Paris (75): the program of tours by arrondissement
For Heritage Days 2026 in Paris, the capital’s monuments and historic landmarks are opening their doors—often free of charge—to reveal their secrets. Don’t miss this must-see event, taking place over the weekend of September 19 and 20, 2026, with the themes “Heritage at Risk” and “Photography Heritage.” [Read more]
The Heritage Days are rolling into Paris and Île-de-France for the weekend of September 19–20, 2026. Still haven't mapped out your programme? We're revealing places that are open to the public without booking, offering free-access visits you can drop in on at the last minute! [Read more]
During these essential Heritage Days, some museums and monuments attract big crowds. But other venues deserve a look as well, such as lycées. Hosting many students for ten months a year, certain Parisian high schools are full of secrets and boast distinctive architecture. The case in point is Lycée Chaptal.
Nestled in the 8e arrondissement of the capital, just a stone’s throw from the Batignolles, the Chaptal High School was founded by the educator and playwright Prosper Goubaux. As for its name, it references the French scholar, chemist, physician and politician Jean-Antoine. So come join the Heritage Days 2026 to learn more about this highly regarded high school in the capital and to discover its museum on Saturday, September 19!
Tour of the Chaptal School Campus
Self-guided tour of the Chaptal school campus and its museum.
Participation requirements: Free | No reservation required
Schedule: Saturday, September 19, 2026 — 1:30 PM to 6:30 PM
Dates and Opening Time
On September 19, 2026
Location
Lycée Chaptal
45 Boulevard des Batignolles
75008 Paris 8
Route planner
Accessibility info
Prices
Free
Official website
journeesdupatrimoine.culture.gouv.fr
Heritage Days 2026 in Paris (75): the program of tours by arrondissement
Heritage Days 2026 in Paris and Île-de-France: tours you can visit without booking
